Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps packaged as a set of Docker microservices. Appwrite abstracts the complexity and repetitiveness required to build a modern backend API from scratch and allows you to build secure apps faster.

Using Appwrite, you can easily integrate your app with user authentication and multiple sign-in methods, a database for storing and querying users and team data, storage and file management, image manipulation, Cloud Functions, and more services.

Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.

Open-source feature management solution built for developers.

Danswer is the open source AI assistant connected to your company's docs, apps, and people.

Lightweight WASM Postgres with real-time, reactive bindings.

Figproxy is a tool that enables rapid prototyping of tangible user experiences allowing Figma prototypes to talk to the external world.
More specifically, it's a utility that allows bidirectional communication between Figma and physical hardware for prototyping interactions that involve screens and physical elements like motors, lights, sensors etc.
It's designed to talk to hardware prototyping platforms like Arduino.

Orchestra is an open-source for live music performances in metaverse environments. Orchestra includes components for live performances in A-Frame/NAF-based metaverse environments, with real-time streaming of volumetric video and audio, live coding and the integration of PureData for performances with virtual instruments and interactive algorithms.

UnoCSS is the instant atomic CSS engine, that is designed to be flexible and extensible. The core is un-opinionated and all the CSS utilities are provided via presets.

HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.

You can use it to easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers and they’re ready to go.

Novu provides a unified API that makes it simple to send notifications through multiple channels, including In-App, Push, Email, SMS, and Chat. With Novu, you can create custom workflows and define conditions for each channel, ensuring that your notifications are delivered in the most effective way possible.

Send push notifications to your phone or desktop using PUT/POST

Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs that don't exist yet.

Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms.

Gitleaks is an open-source SAST (static application security testing) command line tool for detecting and preventing hardcoded secrets like passwords, API keys and tokens in Git repositories. It can be used as a Git pre-commit hook or in the CI/CD pipeline.

TruffleHog is an open-source SAST (static application security testing) tool for detecting secrets in various sources. While GitHub and GitLab repositories are the most popular use cases, it can also be used to scan cloud storage buckets like S3 and GCS, local files and directories and CircleCI logs. Developers can set up TruffleHog as a pre-commit hook or scan the history of existing repositories in an entire GitHub organization to detect secrets.

Ockam is a suite of open source tools, programming libraries, and managed cloud services to orchestrate end-to-end encryption, mutual authentication, key management, credential management, and authorization policy enforcement – at massive scale.

A free and open source audio editor for the web derived from Audacity

The open-source notifications infrastructure. A fully-featured microservice to send SMS, E-mail, Slack and Push notifications. Embeddable notification center for React with real-time updates, content management, and much more...

Astro is an all-in-one web framework for building fast, content-focused websites.

Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.